速度最优的
- 与 速度最优的 相关的网络例句 [注:此内容来源于网络,仅供参考]
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Furthermore, the metallic glass samples are prepared by vacuum injection method and the rationality of above-mentioned relationships and RBF models is directly verified. It is shown that there are extremum phenomena between the Rc andΔd ,Δe and v respectively. However, the positions of the extremum are different from different alloy systems and the extremum phenomena may be related to the optimum composition region and the optimum additive quantity. More elements in the alloy are in favor of the improvement of the GFA. And as for the high GFA alloy, the atomic percentage, atomic radius difference and atomic electronegativity difference are harmoniously matched.
d、Δe和v与临界冷却速度Rc的关系中都出现极值现象,对于不同的合金体系,极值出现的位置不同;金属玻璃的最优成分范围以及各种添加元素的最佳添加量行为,可能与此极值现象相关;合金中包含的组元数目多有利于提高其玻璃形成能力,玻璃形成能力强的合金,其各个组元的原子百分含量、组元原子半径差及其电负性差之间的搭配是很和谐的;融合建模的合金系之间包含的主要组元数量和种类越相近,所建立的模型的可靠程度越高,其预测结果与实测结果越吻合。
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The paper includes the constitutes of system hardware, image pretreatment, the achievement of parameter detection artithmetic. The main work is as follow: The pater makes use of vanguard genetic algorithms in image segmentation, uses vanguard genetic algorithms to get the image threshold. Using this method we may get different grey vehicles from the background exactly. Used the support vector machine theory to conduct the vehicles automatic sorting simulation research, the simulation result had proven this method could quite be accurate carries on the vehicles type the recognition; Improved based on the background automatic renewal hypothesized examination region algorithm, enhanced timeliness and the accuracy which the vehicles examines; And to has carried on the specify based on the hypothesized examination region imagery processing algorithm realization; In the paper also introduced withdraws the algorithm based on the gradation continuous movement vehicles characteristic to carry on the vehicles the characteristic to withdraw as well as to use the localization method which colored filter same gradation chart processing unifies to carry on the realization method which the vehicles license plate locates.
本文根据智能交通控制与仿真对于交通流量、车辆到达率、车辆速度等交通信息检测的需求,基于视频图像进行了交通信息处理的算法研究与实现,主要工作包括以下几个方面:将先锋遗传算法应用到图像阈值分割中,利用先锋遗传算法寻求全局最优阈值,可以比较准确的将图像中不同灰度的车辆从背景中分离出来;采用支持向量机理论进行了车辆自动分类的仿真研究,仿真结果证明该方法能够比较准确的将车辆的类型进行识别;改进了基于背景自动更新的虚拟检测区域算法,提高了车辆检测的实时性和准确性;并对基于虚拟检测区域的图像处理算法实现进行了详细说明;论文中还介绍了基于灰度连续性的运动车辆特征提取算法进行车辆的特征提取以及采用彩色过滤器同灰度图处理相结合的定位方法进行车辆牌照定位的实现方法。
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Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative Ginzburg—Landau equation converges to the solution of derivative nonlinear Schrodinger equation correspondently in one-dimension; The existence of global smooth solution for a class of generalized derivative Ginzburg—Landau equation are proved in two-dimension, in some special case, we prove that the solution of GGL equation converges to the weak solution of derivative nonlinear Schr〓dinger equation; In general case, by using some integral identities of solution for generalized Ginzburg—Landau equations with inhomogeneous boundary condition and the estimates for the L〓 norm on boundary of normal derivative and H〓 norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized Ginzburg—Landau equations.
第三部分:在一维情形,我们考虑了一类带导数项的Ginzburg—Landau方程,通过构造一些类似于发展方程守恒律的泛函及巧妙的积分估计,证明了当粘性系数趋于零时,Ginzburg—Landau方程的解逼近相应的带导数项的Schr〓dinger方程的解,并给出了最优收敛速度估计;在二维情形,我们证明了一类带导数项的广义Ginzburg—Landau方程整体光滑解的存在性,以及在某种特殊情形下,GL方程的解趋近于相应的带导数项的Schr〓dinger方程的弱解;在一般情形下,我们讨论了一类Ginzburg—Landau方程的非齐次边值问题,通过几个积分恒等式,同时估计解的H〓模及法向导数在边界上的模,证明了整体弱解的存在性。
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According to the result of the simulation, the relationships of pressure, velocity and time and their optimal combination were researched by the experiments using a FC-80 plastic-Injection-Moulding machine made by a company named FONG CHIN.
结果表明,温度、压力、填充速度、时间之间存在着显著的交互作用并超过了单个工艺参数的影响,实验条件下的最优工艺参数组合和数值模拟的结果较为一致,将CAE技术与实验相结合,可在较少的分析次数下获得优化工艺,从而改善了制品质量。
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This paper presents a new way which could overall plan the entire network resources with multithread and distributaries. The web pages downloading speed is improved through overall planning the entire network resources and allocating them rationally, in this way, the network downloading has been further optimized.
所以,这些下载工具没有使信息交换的效率达到最优,因此文章提出一种新的可以统筹整个网络资源的多线程多个资源同时下载的方案,通过对整个网络资源的全局统筹,进行资源合理分配,从而提高网络下载速度,使网络下载得到进一步优化。
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Firstly,the author analyzes principles and general methods of lustering- based Data mining.
本文作者首先认真研究分析了基于聚类的数据挖掘的基本原理,提出了一个将单亲遗传算法与Kohonen聚类算法相结合的混合聚类算法,克服了Kohonen 算法的局部最优问题以及采用普通遗传算法聚类时的搜索速度和聚类精度的矛盾。
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The method of CFD numerical simulation is employed to replace experimental investigation. Hence, STAR-CD of the commercial software is used to simulate the outer flow field and heat transfer performance of integrated heat sink with heat pipes cooled by airflow. It is found that simulated results agree with experimental results well, which indicates that simulation method is reasonable and reliable. Further, simulated computations for different fin thickness, fin pitches and air velocities are performed to analyze their effects on heat transfer performance of heat sink. Finally, a new optimized structure of integrated heat sink with heat pipes is provided to meet future demands for cooling CPU and its heat transfer is also evaluated. For multi-heat source and higher dissipation power of electronic devices, the integrated heat sink with heat pipes attatched fins stagged in different positions of channels is presented and its flow and temperature fields are also simulated to enhance heat transfer. As a conclusion, all mentioned above are useful for the design of heat sink with excellent efficiency of heat dissipation and further research.
应用商业软件Star-CD对CPU集成热管散热器的外部流场和传热特性进行了数值模拟,将数值模拟结果和试验结果对比,验证了所提出的数值计算方法是可靠和可行的;利用此数值模拟方法对CPU集成热管散热器在不同散热翅片间距、厚度和气流速度下散热器的流动与传热性能进行了数值计算,分析了这些参数的变化对散热器传热性能的影响;针对未来CPU冷却的要求,确定了与最优气体流速匹配的最佳翅片间距、厚度的CPU集成热管散热器的新结构;利用试验评测了根据数值模拟提供的新结构开发出的新CPU集成热管散热器的传热性能;最后在场协同强化传热的理论的基础上,对CPU集成热管散热器的散热翅片错位排列来强化散热器的散热,满足未来大功率、多热源的电子元件的散热,为今后进一步优化散热器提供了依据。
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The crossover operation in the traditional GA operating is that choose two chromosome cross only at random also you can cross a bit, match and cross partly, cross order and cross cycle etc.
传统GA算法中的交叉操作,是随机选取两个染色体进行单点交叉(也可以多点交叉、部分匹配交叉、顺序交叉和周期交叉等等),但是不管是采用何种交叉操作,新的子代染色体某一基因位上的值都是由两个父代染色体中相应基因位值经过一定交叉运算(直接交换或经算术运算等)所得到的,采用这种交叉算子操作使群体经过多次迭代后群体中的个体开始出现极大的相似性,因此照此下去就会出现早期收敛现象,使得算法的收敛速度非常慢甚至只能求到问题的局部最优解。
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The crossover operation in the traditional GA operating is that choose two chromosome cross only at random also you can cross a bit, match and cross partly, cross order and cross cycle etc.
传统GA算法中的交*操作,是随机选取两个染色体进行单点交*(也可以多点交*、部分匹配交*、顺序交*和周期交*等等),但是不管是采用何种交*操作,新的子代染色体某一基因位上的值都是由两个父代染色体中相应基因位值经过一定交*运算(直接交换或经算术运算等)所得到的,采用这种交*算子操作使群体经过多次迭代后群体中的个体开始出现极大的相似性,因此照此下去就会出现早期收敛现象,使得算法的收敛速度非常慢甚至只能求到问题的局部最优解。
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The paper puts forward immunity arithmetic used in distribution network on the basis of analyzing common uncertainty arithmetic and immunity arithmetic theory. It gets an optimizing project for distribution network, in which the equilibrium of load is regarded as target function. It has been exampled that this project is of higher constriction speed and stronger global search ability.
3在分析常见的非确定性算法和进化免疫算法原理的基础上,提出了在配电网络重构中采用免疫算法,并求解以负荷均衡为目标函数的配电网络重构的最优方案,实例表明该方法具有较快的收敛速度和较强的全局搜索能力;同时本文还为实时配电网络重构定义了启动条件,避免在配电网络正常运行时频繁启动网络重构。
- 推荐网络例句
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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.
然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。
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Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.
镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。
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A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.
付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。